X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;ds=sidebyside;f=include%2Fnet%2Fudp.h;h=addcdc67234c63dd6afc714a8b580dda02c28888;hb=4f31f3080943c7e3541f07df326f06d598a067d0;hp=1b921fa814742a6ed499e2ae11d9f3a14bfe6ed1;hpb=bd01f843c3368dcee735c19603251669f23f4477;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/net/udp.h b/include/net/udp.h
index 1b921fa..addcdc6 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -65,6 +65,13 @@ extern rwlock_t udp_hash_lock;
 
 extern struct proto udp_prot;
 
+extern atomic_t udp_memory_allocated;
+
+/* sysctl variables for udp */
+extern int sysctl_udp_mem[3];
+extern int sysctl_udp_rmem_min;
+extern int sysctl_udp_wmem_min;
+
 struct sk_buff;
 
 /*
@@ -72,15 +79,12 @@ struct sk_buff;
  */
 static inline __sum16 __udp_lib_checksum_complete(struct sk_buff *skb)
 {
-	if (! UDP_SKB_CB(skb)->partial_cov)
-		return __skb_checksum_complete(skb);
-	return csum_fold(skb_checksum(skb, 0, UDP_SKB_CB(skb)->cscov,
-				      skb->csum));
+	return __skb_checksum_complete_head(skb, UDP_SKB_CB(skb)->cscov);
 }
 
 static inline int udp_lib_checksum_complete(struct sk_buff *skb)
 {
-	return skb->ip_summed != CHECKSUM_UNNECESSARY &&
+	return !skb_csum_unnecessary(skb) &&
 		__udp_lib_checksum_complete(skb);
 }
 
@@ -92,8 +96,8 @@ static inline int udp_lib_checksum_complete(struct sk_buff *skb)
  */
 static inline __wsum udp_csum_outgoing(struct sock *sk, struct sk_buff *skb)
 {
-	__wsum csum = csum_partial(skb->h.raw, sizeof(struct udphdr), 0);
-
+	__wsum csum = csum_partial(skb_transport_header(skb),
+				   sizeof(struct udphdr), 0);
 	skb_queue_walk(&sk->sk_write_queue, skb) {
 		csum = csum_add(csum, skb->csum);
 	}
@@ -111,7 +115,7 @@ static inline void udp_lib_unhash(struct sock *sk)
 	write_lock_bh(&udp_hash_lock);
 	if (sk_del_node_init(sk)) {
 		inet_sk(sk)->num = 0;
-		sock_prot_dec_use(sk->sk_prot);
+		sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
 	}
 	write_unlock_bh(&udp_hash_lock);
 }
@@ -121,6 +125,8 @@ static inline void udp_lib_close(struct sock *sk, long timeout)
 	sk_common_release(sk);
 }
 
+extern int	udp_lib_get_port(struct sock *sk, unsigned short snum,
+		int (*)(const struct sock*,const struct sock*));
 
 /* net/ipv4/udp.c */
 extern int	udp_get_port(struct sock *sk, unsigned short snum,
@@ -129,6 +135,7 @@ extern void	udp_err(struct sk_buff *, u32);
 
 extern int	udp_sendmsg(struct kiocb *iocb, struct sock *sk,
 			    struct msghdr *msg, size_t len);
+extern void	udp_flush_pending_frames(struct sock *sk);
 
 extern int	udp_rcv(struct sk_buff *skb);
 extern int	udp_ioctl(struct sock *sk, int cmd, unsigned long arg);
@@ -141,39 +148,63 @@ extern int 	udp_lib_setsockopt(struct sock *sk, int level, int optname,
 				   char __user *optval, int optlen,
 				   int (*push_pending_frames)(struct sock *));
 
-DECLARE_SNMP_STAT(struct udp_mib, udp_statistics);
+DECLARE_SNMP_STAT(struct udp_mib, udp_stats_in6);
+
+/* UDP-Lite does not have a standardized MIB yet, so we inherit from UDP */
+DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
+
 /*
  * 	SNMP statistics for UDP and UDP-Lite
  */
-#define UDP_INC_STATS_USER(field, is_udplite)			       do {   \
-	if (is_udplite) SNMP_INC_STATS_USER(udplite_statistics, field);       \
-	else		SNMP_INC_STATS_USER(udp_statistics, field);  }  while(0)
-#define UDP_INC_STATS_BH(field, is_udplite) 			       do  {  \
-	if (is_udplite) SNMP_INC_STATS_BH(udplite_statistics, field);         \
-	else		SNMP_INC_STATS_BH(udp_statistics, field);    }  while(0)
+#define UDP_INC_STATS_USER(net, field, is_udplite)	      do { \
+	if (is_udplite) SNMP_INC_STATS_USER((net)->mib.udplite_statistics, field);       \
+	else		SNMP_INC_STATS_USER((net)->mib.udp_statistics, field);  }  while(0)
+#define UDP_INC_STATS_BH(net, field, is_udplite) 	      do { \
+	if (is_udplite) SNMP_INC_STATS_BH((net)->mib.udplite_statistics, field);         \
+	else		SNMP_INC_STATS_BH((net)->mib.udp_statistics, field);    }  while(0)
+
+#define UDP6_INC_STATS_BH(net, field, is_udplite) 	    do { (void)net;  \
+	if (is_udplite) SNMP_INC_STATS_BH(udplite_stats_in6, field);         \
+	else		SNMP_INC_STATS_BH(udp_stats_in6, field);    } while(0)
+#define UDP6_INC_STATS_USER(net, field, is_udplite)	    do { (void)net;    \
+	if (is_udplite) SNMP_INC_STATS_USER(udplite_stats_in6, field);         \
+	else		SNMP_INC_STATS_USER(udp_stats_in6, field);    } while(0)
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#define UDPX_INC_STATS_BH(sk, field) \
+	do { \
+		if ((sk)->sk_family == AF_INET) \
+			UDP_INC_STATS_BH(sock_net(sk), field, 0); \
+		else \
+			UDP6_INC_STATS_BH(sock_net(sk), field, 0); \
+	} while (0);
+#else
+#define UDPX_INC_STATS_BH(sk, field) UDP_INC_STATS_BH(sock_net(sk), field, 0)
+#endif
 
 /* /proc */
 struct udp_seq_afinfo {
-	struct module		*owner;
 	char			*name;
 	sa_family_t		family;
 	struct hlist_head	*hashtable;
-	int 			(*seq_show) (struct seq_file *m, void *v);
-	struct file_operations	*seq_fops;
+	struct file_operations	seq_fops;
+	struct seq_operations	seq_ops;
 };
 
 struct udp_iter_state {
+	struct seq_net_private  p;
 	sa_family_t		family;
-	struct hlist_head	*hashtable;
 	int			bucket;
-	struct seq_operations	seq_ops;
+	struct hlist_head	*hashtable;
 };
 
 #ifdef CONFIG_PROC_FS
-extern int udp_proc_register(struct udp_seq_afinfo *afinfo);
-extern void udp_proc_unregister(struct udp_seq_afinfo *afinfo);
+extern int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo);
+extern void udp_proc_unregister(struct net *net, struct udp_seq_afinfo *afinfo);
 
 extern int  udp4_proc_init(void);
 extern void udp4_proc_exit(void);
 #endif
+
+extern void udp_init(void);
 #endif	/* _UDP_H */